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Kentucky

$186+ Cheap flights from Idaho Falls (IDA) to Kentucky

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SDF
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Idaho Falls to Kentucky

Cheapest flights from Idaho Falls to Kentucky
Explore the most affordable flight options available from Idaho Falls to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This American Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:43 pm
IDA
-
BNA
1 stop8h 50m
American Airlines
Sat 4/257:07 am
BNA
-
IDA
1 stop7h 06m
American Airlines
Deal found 1/31$289
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:20 am
IDA
-
BNA
1 stop6h 08m
Delta
Sat 9/122:27 pm
BNA
-
IDA
2 stops8h 47m
Delta
Deal found 2/1$294
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:31 pm
IDA
-
BNA
1 stop5h 41m
United Airlines
Mon 8/37:00 am
BNA
-
IDA
1 stop7h 24m
United Airlines
Deal found 1/31$314
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/73:04 pm
IDA
-
BNA
1 stop6h 17m
Delta
Sat 9/122:27 pm
BNA
-
IDA
2 stops8h 47m
Delta
Deal found 2/1$319
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:03 pm
IDA
-
BNA
1 stop7h 04m
Alaska Airlines
Sat 9/127:00 am
BNA
-
IDA
1 stop9h 29m
Alaska Airlines
Deal found 2/1$329
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/73:04 pm
IDA
-
BNA
1 stop6h 17m
Delta
Tue 9/151:45 pm
BNA
-
IDA
1 stop5h 29m
Delta
Deal found 2/1$339
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:44 pm
IDA
-
BNA
1 stop5h 26m
American Airlines
Wed 9/167:05 am
BNA
-
IDA
1 stop6h 08m
American Airlines
Deal found 2/1$344
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:35 pm
IDA
-
SDF
1 stop5h 22m
United Airlines
Sun 8/237:55 am
SDF
-
IDA
1 stop7h 34m
United Airlines
Deal found 2/1$349
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/242:31 pm
IDA
-
CVG
1 stop5h 57m
United Airlines
Sat 5/303:36 pm
CVG
-
IDA
1 stop7h 22m
United Airlines
Deal found 2/2$349
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:35 pm
IDA
-
BNA
1 stop5h 59m
United Airlines
Tue 9/227:00 am
BNA
-
IDA
2 stops11h 22m
United Airlines
Deal found 2/2$354
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/162:31 pm
IDA
-
SDF
1 stop6h 00m
United Airlines
Tue 5/265:35 am
SDF
-
IDA
2 stops9h 49m
United Airlines
Deal found 2/2$354
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:03 pm
IDA
-
BNA
1 stop7h 04m
Alaska Airlines
Sat 9/129:00 am
BNA
-
IDA
1 stop7h 29m
Alaska Airlines
Deal found 2/1$369

Find flight deals from Idaho Falls to Kentucky

Keep the following information in mind while searching for Idaho Falls to Kentucky flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(American Airlines)

One-way from

$186
(Delta)

Popular in

December

Cheapest in

November

Average price

$429
Provider with most accurate pricing for Idaho Falls Fanning Field-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Louisville Intl flights.
Search Deals
From Idaho Falls Fanning Field to Kentucky
Search Deals
One-way flight from Idaho Falls Fanning Field to Kentucky
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Kentucky that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Idaho Falls to Kentucky that are best for you.

Fly from

Idaho Falls

Fly to

Kentucky

Route

Depart

Return

Price

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Wed 4/22

1:43 pm-11:33 pm

1 stop8h 50m

Nashville Intl

Sat 4/25

7:07 am-1:13 pm

1 stop7h 06m

$289

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Thu 7/30

2:31 pm-9:12 pm

1 stop5h 41m

Nashville Intl

Mon 8/3

7:00 am-1:24 pm

1 stop7h 24m

$314

Idaho FallsCincinnati

IDA - CVG

IDACVG

Idaho Falls Fanning Field

Wed 5/27

2:31 pm-10:28 pm

1 stop5h 57m

Cincinnati Cinci./N. Kentucky

Sat 5/30

3:36 pm-8:58 pm

1 stop7h 22m

$349

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

Sat 5/16

2:31 pm-10:31 pm

1 stop6h 00m

Louisville Intl

Tue 5/26

5:35 am-1:24 pm

2 stops9h 49m

$354

Idaho FallsCincinnati

IDA - CVG

IDACVG

Idaho Falls Fanning Field

Thu 5/28

2:31 pm-10:28 pm

1 stop5h 57m

Cincinnati Cinci./N. Kentucky

Sat 5/30

3:36 pm-8:58 pm

1 stop7h 22m

$374

Idaho FallsCincinnati

IDA - CVG

IDACVG

Idaho Falls Fanning Field

Fri 5/29

2:31 pm-10:28 pm

1 stop5h 57m

Cincinnati Cinci./N. Kentucky

Sat 5/30

3:36 pm-8:58 pm

1 stop7h 22m

$374

Idaho FallsCincinnati

IDA - CVG

IDACVG

Idaho Falls Fanning Field

Fri 4/24

6:00 am-5:58 pm

1 stop9h 58m

Cincinnati Cinci./N. Kentucky

Mon 4/27

6:58 pm-3:29 pm

1 stop22h 31m

$394

Idaho FallsLouisville

IDA - SDF

IDASDF

Idaho Falls Fanning Field

Sat 5/16

1:43 pm-9:41 pm

1 stop5h 58m

Louisville Intl

Tue 5/26

6:46 am-1:13 pm

1 stop8h 27m

$399

Idaho FallsCincinnati

IDA - CVG

IDACVG

Idaho Falls Fanning Field

Fri 5/29

3:16 pm-10:43 pm

1 stop5h 27m

Cincinnati Cinci./N. Kentucky

Sun 5/31

7:55 pm-10:47 am

1 stop16h 52m

$408

Idaho FallsCincinnati

IDA - CVG

IDACVG

Idaho Falls Fanning Field

Thu 5/28

11:30 am-6:55 pm

1 stop5h 25m

Cincinnati Cinci./N. Kentucky

Sun 5/31

7:55 pm-10:47 am

1 stop16h 52m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 43 results
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Best time to book a flight from Idaho Falls to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Idaho Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to Kentucky

How much does it cost to fly round-trip from Idaho Falls to Kentucky?

Reviews of airlines servicing Kentucky

Get insights into the airlines that provide service to Kentucky. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kentucky. Reviews last updated February 3, 2026.
Read through reviews of airlines operating flights from Idaho Falls to Kentucky, such as United Airlines and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,216 reviews
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Kentucky. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Idaho Falls to Kentucky?

    For a flight from Idaho Falls to Kentucky, you will be flying from Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city.

  • How long is the flight from Idaho Falls to Kentucky?

    Airlines like American Airlines and United Airlines fly from Idaho Falls to Kentucky in about 5h 41m. The time it takes to get you to your destination can typically vary by up to 3h 09m. The distance between Idaho Falls and Kentucky is about 1433 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Idaho Falls to Kentucky?

    While some choose either Idaho Falls Fanning Field - Cincinnati Cinci./N. Kentucky or Idaho Falls Fanning Field - Louisville Intl, Idaho Falls Fanning Field - Nashville Intl is the most popular route from Idaho Falls to Kentucky.

  • Can I find deals for flights from Idaho Falls to Kentucky that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Kentucky flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Kentucky?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Kentucky.

  • Can I find deals for business class flights from Idaho Falls to Kentucky?

    Yes. Cheapflights offers flight deals from Idaho Falls to Kentucky by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Idaho Falls to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Idaho Falls to Kentucky

Discover the top 2 airlines that operate flights from Idaho Falls to Kentucky. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$438FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$504FlexibilityNo cancel feeOn-time69%

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